Server Lookup
Target: matchai.jp
Security Score
68/100
Malware / Blacklists
None detected
Checked 6 list(s)
| IP Address | 18.183.104.221 |
|---|---|
| Reverse DNS Hostname | ec2-18-183-104-221.ap-northeast-1.compute.amazonaws.com |
| Network Operator | AMAZON-02 - Amazon.com, Inc., US |
| Location | 日本 東京都 東京都 |
Server Location
| Country | 日本 (JP) |
|---|---|
| Region | 東京都 |
| City | 東京都 |
| Latitude/Longitude | 35.6895, 139.69171 |
| Time Zone | Asia/Tokyo |
| ISP | Amazon Technologies Inc. |
| Organization | AWS EC2 (ap-northeast-1) |
This location is an approximation based on the IP address. For data-center IP addresses, this often shows the network provider's registered address or a management site rather than where the server is physically located. Please note this does not indicate the exact physical location.
Malware & Blacklist Detection
Checks the domain/IP against public blacklists (DNSBLs) used to track sources reported for spam, phishing, or malware distribution.
| Result | List | Queried Against | Response |
|---|---|---|---|
| None detected | Spamhaus DBL | matchai.jp | — |
| None detected | SURBL | matchai.jp | — |
| None detected | Spamhaus ZEN | 18.183.104.221 | — |
| None detected | SpamCop | 18.183.104.221 | — |
| None detected | Barracuda | 18.183.104.221 | — |
| None detected | SORBS | 18.183.104.221 | — |
Security Check
| Good | HTTPS | Supported | The connection is encrypted. |
| Improve | Server Certificate | 20 day(s) left | The certificate is close to expiring. Please renew it. |
| Info | Certificate Validation Level | DV (Domain Validation)／Free certificate | This certificate is issued after verifying only control of the domain. The connection is encrypted, but the existence of the operating organization is not verified. |
| Improve | HSTS | Not set | Forces connections over HTTPS. Setting this prevents downgrade attacks to HTTP. |
| Improve | CSP (Content Security Policy) | Not set | Restricts which scripts may load, reducing the impact of XSS. |
| Improve | X-Frame-Options | Not set | Prevents this site from being embedded on other sites, protecting against clickjacking. |
| Improve | X-Content-Type-Options | Not set | Disables MIME-type sniffing (nosniff is recommended). |
| Improve | Referrer-Policy | Not set | Limits the referrer information sent to external sites. |
| Improve | Permissions-Policy | Not set | Restricts use of features such as the camera or location. |
| Good | Version Disclosure | None disclosed | No detailed version information is exposed. |
| Good | Blacklist Listings | 0 / 6 | Not listed on any of the blacklists checked. |
Server Certificate
DV (Domain Validation)
Free certificate
This certificate is issued after verifying only control of the domain. The connection is encrypted, but the existence of the operating organization is not verified.
| Validation Level | DV (Domain Validation) |
|---|---|
| Cost Category | Free certificate |
| Common Name (CN) | matchai.jp |
| Subject Alternative Names (SAN) | matchai.jp |
| Hostname Match | Match |
| Issuer | Let's Encrypt YE2 |
| Valid From | 2026-07-07 13:35:05 |
| Valid Until | 2026-10-05 13:35:04 (20 day(s) left) |
| Signature Algorithm | ecdsa-with-SHA384 |
| Public Key | EC 256 bit |
| Serial Number | 05B48679E2CA9D5A9BEFAD9BAE7045B8D88C |
| Connection Protocol | TLSv1.3 TLS_AES_256_GCM_SHA384 |
| Certificate Chain | 4 certificate(s) |
| Certificate Policy OID | 2.23.140.1.2.1 |
Detailed Information
Domain Information (WHOIS)
| Created | 2026/07/07 |
|---|---|
| Last Updated | 2026/07/07 21:23:21 (JST) |
| Expires | 2027/07/31 |
| Status | Active |
| Nameservers | 01.dnsv.jp 02.dnsv.jp 03.dnsv.jp 04.dnsv.jp |
IP Address Owner Information
| IP Address | 18.183.104.221 |
|---|---|
| Reverse DNS Hostname | ec2-18-183-104-221.ap-northeast-1.compute.amazonaws.com |
| Network Name | AMAZON-NRT |
| Assigned To | Amazon Data Services Japan |
| Address Range | 18.183.0.0 - 18.183.255.255 |
| ASN | 16509 |
| AS Holder | AMAZON-02 - Amazon.com, Inc., US |
| Announced Prefix | 18.183.0.0/16 |
| Managing Registry | arin |
DNS Records
| A Record | 18.183.104.221 |
|---|---|
| NS Record | 03.dnsv.jp 04.dnsv.jp 01.dnsv.jp 02.dnsv.jp |
| SOA Record | 01.dnsv.jp (hostmaster.dnsv.jp) |
HTTP Response Headers
| HTTP Status | 200 |
|---|---|
| Final URL | https://matchai.jp/ |
| server | nginx |
| date | Mon, 14 Sep 2026 11:28:25 GMT |
| content-type | text/html |
| content-length | 7953 |
| last-modified | Sat, 11 Jul 2026 04:00:32 GMT |
| etag | "6a51bfe0-1f11" |
| accept-ranges | bytes |
* This lookup only performs DNS queries, WHOIS, RDAP, a TLS handshake, and an HTTP fetch — no port scanning or vulnerability testing is performed against the target server. Blacklist results reflect each list provider's own judgment; being listed or not does not by itself indicate danger.